Heat pump units are unique. they provide warm and cool air during the winter and summer months without the need for fuels such as: Natural Gas, Propane, or Oil. the rely solely on a constant flow of electricity. the compressor works all year where as a conventional system the compressor quits running as soon as you switch your system from cool to heat. they are becoming more popular as newer homes and subdivisions are being built further away from natural gas supply lines from the natural gas companies. we offer Trane's tried and true systems such as the Trane XR 14, Trane XR 16, and Trane XR 17 2-stage system. they are made with the same quality, durability, and reliability as all Trane products are made with. check out some of our systems we offer in the download section below and let us know if we can help in any way. we also offer the Variable Speed systems . if you would like to know more about the variable speed systems be sure to open our variable speed tab and check it out.